131348920

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{30689}}^1$

素因数の和:30807

約数の個数: 32

約数和(自身を含む): 298306800

約数和(自身を除く): 166957880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 30689, 61378, 122756, 153445, 245512, 306890, 613780, 1227560, 3283723, 6567446, 13134892, 16418615, 26269784, 32837230, 65674460, 131348920]

約数ペア:

[(1, 131348920), (2, 65674460), (4, 32837230), (5, 26269784), (8, 16418615), (10, 13134892), (20, 6567446), (40, 3283723), (107, 1227560), (214, 613780), (428, 306890), (535, 245512), (856, 153445), (1070, 122756), (2140, 61378), (4280, 30689)]